Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		41 Months Ended
	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 297,980	$ 276,486	$ 791,283	$ 1,013,907
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	127,016		375,345	323,605
Goodwill, Impairment Loss	0		152,712	0
Lower of cost or market inventory valuation adjustment	34,062		(150,483)	(192,927)
Earnings of equity method investments, inclusive of distributions			280	463
(Gain) loss on sale of assets			202	(52)
Deferred income taxes	44,766		102,959	102,213
Equity-based compensation expense			30,635	26,096
Change in fair value - derivative instruments			19,880	(3,007)
(Increase) decrease in current assets:
Accounts receivable			(116,793)	(136,764)
Inventories			(47,409)	(33,856)
Income taxes receivable			13,704	27,792
Prepayments and other			17,710	(14,089)
Increase (decrease) in current liabilities:
Accounts payable			321,537	(37,160)
Income taxes payable			808	76,277
Accrued liabilities			54,779	84,328
Turnaround expenditures			(152,431)	(114,593)
Other, net			(3,314)	7,664
Net cash provided by (used for) operating activities			1,411,404	1,129,897
Cash flows from investing activities:
Additions to properties, plants and equipment			(171,229)	(167,967)
Purchase of business, net of cash acquired	(662,700)		(662,665)	0
Purchase of Red Giant Oil, net of cash acquired			0	(54,088)
Other, net			958	3,999
Net cash used for investing activities			(856,764)	(259,167)
Cash flows from financing activities:
Borrowings under credit agreement			269,500	256,000
Repayments under credit agreement			(257,000)	(347,000)
Proceeds from issuance of common units - HEP			0	114,887	$ 82,300
Purchase of treasury stock			(471,976)	(177,710)
Dividends			(168,008)	(175,921)
Shares withheld for tax withholding obligations			(1,158)	0
Proceeds from (Payments for) Other Financing Activities			(600)	(544)
Net cash used for financing activities			(729,337)	(423,416)
Effect of exchange rate on cash flow			1,801	(2,394)
Cash and cash equivalents:
Increase (decrease) for the period			(172,896)	444,920
Beginning of period		1,154,752	1,154,752
End of period	981,856		981,856		981,856
Cash paid during the period for:
Interest			(93,929)	(89,553)
Income taxes, net			(163,232)	(112,520)
HEP
Cash flows from investing activities:
Additions to properties, plants and equipment			(23,828)	(41,111)
Cash flows from financing activities:
Payments to Noncontrolling Interests			(100,095)	$ (93,128)
Cash and cash equivalents:
Beginning of period		$ 3,045	3,045
End of period	$ 7,469		$ 7,469		$ 7,469